The product compositions in the methanol conversion to hydrocarbons over several zeolites are compared and discussed. Although a great number of different compounds are present, small alkanes, such as isobutane and isopentane, and polymethylbenzenes are the major Compounds over zeolites beta. mordenite and faujasite. However, zeolite ferrierite is quite selective for alkenes. Also, zeolite beta can transform acetone into hydrocarbons.